Operations Management question snippet:
Take a college lunchroom at lunchtime that provides an Entree(Food Station 1Station, Grill(Food
Station 2) Station, and Pizza (Food Station 3)station. Lunch lasts for 2 hours,from 11:30 am to 1:30 pm About 400 students come to take food during the two hours of lunch. Let us assume it is exactly 400 students over 2 hours, but it varies over those two hours, and it also varies from station to station.Each student comes and orders exactly one meal from one of the stations. After students take their food from
lunch hour is donated to a local charity.
Payment Station:
After picking up their food students come over to the payment station to pay for their choices. There are many payment stations available to be staffed if needed. The payment station takes 20 seconds per student.
You may assume Ca = Cs = 1 for the Payment Station.
1.What is the average wait time in minutes for students from the time they join the payment line to the time they have finished paying, if the minimum number of servers are staffed here? (Minimum is determined by the number that will keep utilization less than 100%)